Base | Representation |
---|---|
bin | 1011010011000… |
… | …1101011000111 |
3 | 10022011122000100 |
4 | 2310301223013 |
5 | 44112430013 |
6 | 4411415143 |
7 | 1113542316 |
oct | 264615307 |
9 | 108148010 |
10 | 47389383 |
11 | 24828388 |
12 | 13a544b3 |
13 | 9a83072 |
14 | 641827d |
15 | 4261473 |
hex | 2d31ac7 |
47389383 has 6 divisors (see below), whose sum is σ = 68451344. Its totient is φ = 31592916.
The previous prime is 47389379. The next prime is 47389403. The reversal of 47389383 is 38398374.
It is a happy number.
It is not a de Polignac number, because 47389383 - 22 = 47389379 is a prime.
It is a super-2 number, since 2×473893832 = 4491507242241378, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47389333) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2632735 + ... + 2632752.
Almost surely, 247389383 is an apocalyptic number.
47389383 is a deficient number, since it is larger than the sum of its proper divisors (21061961).
47389383 is a wasteful number, since it uses less digits than its factorization.
47389383 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5265493 (or 5265490 counting only the distinct ones).
The product of its digits is 435456, while the sum is 45.
The square root of 47389383 is about 6883.9946978480. The cubic root of 47389383 is about 361.8764751566.
The spelling of 47389383 in words is "forty-seven million, three hundred eighty-nine thousand, three hundred eighty-three".
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